[PATCH v3 08/28] nfsd: check fl_lmops in nfsd_breaker_owns_lease()

Jeff Layton
2026-04-28T07:10:56Z

Any lease created by nfsd will have its fl_lmops set to
nfsd_lease_mng_ops. Do a quick check for that first when testing whether
the lease breaker owns the lease.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
fs/nfsd/nfs4state.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index c75d3940188c..35f5c098717e 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -91,6 +91,8 @@ static void _free_cpntf_state_locked(struct nfsd_net *nn, struct nfs4_cpntf_stat
static void nfsd4_file_hash_remove(struct nfs4_file *fi);
static void deleg_reaper(struct nfsd_net *nn);

+static const struct lease_manager_operations nfsd_lease_mng_ops;
+
/* Locking: */

enum nfsd4_st_mutex_lock_subclass {
@@ -5655,6 +5657,10 @@ static bool nfsd_breaker_owns_lease(struct file_lease *fl)
struct svc_rqst *rqst;
struct nfs4_client *clp;

+ /* Only nfsd leases */
+ if (fl->fl_lmops != &nfsd_lease_mng_ops)
+ return false;
+
rqst = nfsd_current_rqst();
if (!nfsd_v4client(rqst))
return false;

--
2.54.0